Permanent Speaker Magnet Sintered Ferrite Magnet

Introduction
    Ferrite, a permanent magnet material which is the most widely used, is manufactured with powder metallurgic method, is mainly divided into Ba and Sr, is divided into anisotropy and isotropy, and is a permanent magnet material which is difficult to demagnetize and corrode. Its maximum working temperature can reach 250ºC. It is relatively solid and brittle, can be cut and processed with diamond sand and other tools, and is molded with mold processed by the diamond once. Such product is widely applied in such fields as permanent magnet motor and speaker.
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